Search engine submission is when a website is submitted directly to a search engine. This is done by webmasters to help websites be better recognized. This is a way to promote your site and can help improve your rankings.The main reason people submit their sites to search engines is because they want their site to be discovered quickly by spiders and don’t want to wait for the search engines to find them organically. Brand-new sites especially want to be discovered quickly and submitting to search engines is a general SEO tool used in the beginning of a website’s life.